- 11 7月, 2014 2 次提交
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由 Arun Kumar K 提交于
Adds IDs for MUX clocks to be used by power domain for MFC for doing re-parenting while pd on/off. Signed-off-by: NArun Kumar K <arun.kk@samsung.com> Signed-off-by: NShaik Ameer Basha <shaik.ameer@samsung.com> Acked-by: NTomasz Figa <t.figa@samsung.com> Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>
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由 Prathyush K 提交于
While powering on/off a local powerdomain in exynos5 chipsets, the input clocks to each device gets modified. This behaviour is based on the SYSCLK_SYS_PWR_REG registers. E.g. SYSCLK_MFC_SYS_PWR_REG = 0x0, the parent of input clock to MFC (aclk333) gets modified to oscclk = 0x1, no change in clocks. The recommended value of SYSCLK_SYS_PWR_REG before power gating any domain is 0x0. So we must also restore the clocks while powering on a domain everytime. This patch adds the framework for getting the required mux and parent clocks through a power domain device node. With this patch, while powering off a domain, parent is set to oscclk and while powering back on, its re-set to the correct parent which is as per the recommended pd on/off sequence. Signed-off-by: NPrathyush K <prathyush.k@samsung.com> Signed-off-by: NAndrew Bresticker <abrestic@chromium.org> Signed-off-by: NArun Kumar K <arun.kk@samsung.com> Signed-off-by: NShaik Ameer Basha <shaik.ameer@samsung.com> Reviewed-by: NTomasz Figa <t.figa@samsung.com> Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>
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- 08 7月, 2014 1 次提交
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由 Tushar Behera 提交于
Currently CLK_FOUT_EPLL was set as one of the parents of AUDSS mux. As per the user manual, it should be CLK_MAU_EPLL. The problem surfaced when the bootloader in Peach-pit board set the EPLL clock as the parent of AUDSS mux. While booting the kernel, we used to get a system hang during late boot if CLK_MAU_EPLL was disabled. Signed-off-by: NTushar Behera <tushar.b@samsung.com> Signed-off-by: NShaik Ameer Basha <shaik.ameer@samsung.com> Reported-by: NKevin Hilman <khilman@linaro.org> Tested-by: NJavier Martinez Canillas <javier.martinez@collabora.co.uk> Tested-by: NDoug Anderson <dianders@chromium.org> Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>
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- 07 7月, 2014 3 次提交
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由 Linus Torvalds 提交于
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git://git.secretlab.ca/git/linux由 Linus Torvalds 提交于
Pull devicetree bugfix from Grant Likely: "Important bug fix for parsing 64-bit addresses on 32-bit platforms. Without this patch the kernel will try to use memory ranges that cannot be reached" * tag 'dt-for-linus' of git://git.secretlab.ca/git/linux: of: Check for phys_addr_t overflows in early_init_dt_add_memory_arch
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi由 Linus Torvalds 提交于
Pull SCSI fixes from James Bottomley: "This is a set of 13 fixes, a MAINTAINERS update and a sparse update. The fixes are mostly correct value initialisations, avoiding NULL derefs and some uninitialised pointer avoidance. All the patches have been incubated in -next for a few days. The final patch (use the scsi data buffer length to extract transfer size) has been rebased to add a cc to stable, but only the commit message has changed" * tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: [SCSI] use the scsi data buffer length to extract transfer size virtio-scsi: fix various bad behavior on aborted requests virtio-scsi: avoid cancelling uninitialized work items ibmvscsi: Add memory barriers for send / receive ibmvscsi: Abort init sequence during error recovery qla2xxx: Fix sparse warning in qla_target.c. bnx2fc: Improve stats update mechanism bnx2fc: do not scan uninitialized lists in case of error. fc: ensure scan_work isn't active when freeing fc_rport pm8001: Fix potential null pointer dereference and memory leak. MAINTAINERS: Update LSILOGIC MPT FUSION DRIVERS (FC/SAS/SPI) maintainers Email IDs be2iscsi: remove potential junk pointer free be2iscsi: add an missing goto in error path scsi_error: set DID_TIME_OUT correctly scsi_error: fix invalid setting of host byte
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- 06 7月, 2014 8 次提交
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git://people.freedesktop.org/~airlied/linux由 Linus Torvalds 提交于
Pull drm fixes from Dave Airlie: "i915, tda998x and vmwgfx fixes, The main one is i915 fix for missing VGA connectors, along with some fixes for the tda998x from Russell fixing some modesetting problems. (still on holidays, but got a spare moment to find these)" * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm/vmwgfx: Fix incorrect write to read-only register v2: drm/i915: Drop early VLV WA to fix Voltage not getting dropped to Vmin drm/i915: only apply crt_present check on VLV drm/i915: Wait for vblank after enabling the primary plane on BDW drm/i2c: tda998x: add some basic mode validation drm/i2c: tda998x: faster polling for edid drm/i2c: tda998x: move drm_i2c_encoder_destroy call
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc由 Linus Torvalds 提交于
Pull ARM SoC fixes from Olof Johansson: "This week's arm-soc fixes: - A set of of OMAP patches that we had missed Tony's pull request of: * Reset fix for am43xx * Proper OPP table for omap5 * Fix for SoC detection of one of the DRA7 SoCs * hwmod updates to get SATA and OCP to work on omap5 (drivers merged in 3.16) * ... plus a handful of smaller fixes - sunxi needed to re-add machine specific restart code that was removed in anticipation of a watchdog driver being merged for 3.16, and it didn't make it in. - Marvell fixes for PCIe on SMP and a big-endian fix. - A trivial defconfig update to make my capri test board boot with bcm_defconfig again. ... and a couple of MAINTAINERS updates, one to claim new Keystone drivers that have been merged, and one to merge MXS and i.MX (both Freescale platforms). The largest diffs come from the hwmod code for omap5 and the re-add of the restart code on sunxi. The hwmod stuff is quite late at this point but it slipped through cracks repeatedly while coming up the maintainer chain and only affects the one SoC so risk is low" * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: MAINTAINERS: Add few more Keystone drivers MAINTAINERS: merge MXS entry into IMX one ARM: sunxi: Reintroduce the restart code for A10/A20 SoCs ARM: mvebu: fix cpuidle implementation to work on big-endian systems ARM: mvebu: update L2/PCIe deadlock workaround after L2CC cleanup ARM: mvebu: move Armada 375 external abort logic as a quirk ARM: bcm: Fix bcm and multi_v7 defconfigs ARM: dts: dra7-evm: remove interrupt binding ARM: OMAP2+: Fix parser-bug in platform muxing code ARM: DTS: dra7/dra7xx-clocks: ATL related changes ARM: OMAP2+: drop unused function ARM: dts: am43x-epos-evm: Add Missing cpsw-phy-sel for am43x-epos-evm ARM: dts: omap5: Update CPU OPP table as per final production Manual ARM: DRA722: add detection of SoC information ARM: dts: Enable twl4030 off-idle configuration for selected omaps ARM: OMAP5: hwmod: Add ocp2scp3 and sata hwmods ARM: OMAP2+: hwmod: Change hardreset soc_ops for AM43XX
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull irq fixes from Thomas Gleixner: "A few minor fixlets in ARM SoC irq drivers and a fix for a memory leak which I introduced in the last round of cleanups :(" * 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: genirq: Fix memory leak when calling irq_free_hwirqs() irqchip: spear_shirq: Fix interrupt offset irqchip: brcmstb-l2: Level-2 interrupts are edge sensitive irqchip: armada-370-xp: Mask all interrupts during initialization.
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git://anongit.freedesktop.org/drm-intel由 Dave Airlie 提交于
Fixes for 3.16-rc3; most importantly Jesse brings back VGA he took away on a bunch of machines. Also a vblank fix for BDW and a power workaround fix for VLV. * tag 'drm-intel-fixes-2014-07-03' of git://anongit.freedesktop.org/drm-intel: drm/i915: Drop early VLV WA to fix Voltage not getting dropped to Vmin drm/i915: only apply crt_present check on VLV drm/i915: Wait for vblank after enabling the primary plane on BDW
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git://people.freedesktop.org/~thomash/linux由 Dave Airlie 提交于
fix to a 3.15 commit. * 'vmwgfx-fixes-3.16' of git://people.freedesktop.org/~thomash/linux: drm/vmwgfx: Fix incorrect write to read-only register v2:
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git://ftp.arm.linux.org.uk/~rmk/linux-cubox由 Dave Airlie 提交于
mode fixes for tda998x. * 'tda998x-fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-cubox: drm/i2c: tda998x: add some basic mode validation drm/i2c: tda998x: faster polling for edid drm/i2c: tda998x: move drm_i2c_encoder_destroy call
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由 Keith Busch 提交于
irq_free_hwirqs() always calls irq_free_descs() with a cnt == 0 which makes it a no-op since the interrupt count to free is decremented in itself. Fixes: 7b6ef126Signed-off-by: NKeith Busch <keith.busch@intel.com> Acked-by: NDavid Rientjes <rientjes@google.com> Link: http://lkml.kernel.org/r/1404167084-8070-1-git-send-email-keith.busch@intel.comSigned-off-by: NThomas Gleixner <tglx@linutronix.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux由 Linus Torvalds 提交于
Pull ARM64 fixes from Catalin Marinas: - Exception level check at boot time (for completeness, not triggering any bug before) - I/D-cache synchronisation logic for huge pages - Config symbol typo * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: fix el2_setup check of CurrentEL arm64: mm: Make icache synchronisation logic huge page aware arm64: mm: Fix horrendous config typo
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- 05 7月, 2014 6 次提交
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由 Santosh Shilimkar 提交于
Update MAINTAINERS file for recently added reset controller, AEMIF and clocksource driver for Keystone SOCs. The EMIF memory controller driver is also added along with AEMIF. Cc: Arnd Bergmann <arnd@arndb.de> Cc: Olof Johansson <olof@lixom.net> Cc: Kevin Hilman <khilman@linaro.org> Cc: Mike Turquette <mturquette@linaro.org> Cc: Daniel Lezcano <daniel.lezcano@linaro.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: NSantosh Shilimkar <santosh.shilimkar@ti.com> Signed-off-by: NOlof Johansson <olof@lixom.net>
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由 Shawn Guo 提交于
The mach-mxs platform is actually co-maintained by myself and pengutronix folks. Also it's hosted in the same kernel tree as IMX. So let's merge the entry into IMX one. Signed-off-by: NShawn Guo <shawn.guo@freescale.com> Acked-by: NSascha Hauer <s.hauer@pengutronix.de> Signed-off-by: NOlof Johansson <olof@lixom.net>
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git://git.infradead.org/linux-mvebu由 Olof Johansson 提交于
mvebu fixes for v3.16 (round #2) - mvebu - Fix PCIe deadlock now that SMP is enabled - Fix cpuidle for big-endian systems * tag 'mvebu-fixes-3.16-2' of git://git.infradead.org/linux-mvebu: ARM: mvebu: fix cpuidle implementation to work on big-endian systems ARM: mvebu: update L2/PCIe deadlock workaround after L2CC cleanup ARM: mvebu: move Armada 375 external abort logic as a quirk Signed-off-by: NOlof Johansson <olof@lixom.net>
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由 Maxime Ripard 提交于
This partly reverts commits 55360050 (ARM: sunxi: Remove reset code from the platform) and 5e669ec5 (ARM: sunxi: Remove init_machine callback) for the sun4i, sun5i and sun7i families. This is needed because the watchdog counterpart of these commits was dropped, and didn't make it into 3.16. In order to still be able to reboot the board, we need to reintroduce that code. Of course, the long term view is still to get rid of that code in mach-sunxi. Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by: NOlof Johansson <olof@lixom.net>
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由 Olof Johansson 提交于
Merge tag 'omap-for-v3.16/fixes-against-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes Merge OMAP fixes from Tony Lindgren: Fixes for omaps for issues discovered during the merge window and enabling of a few features that had to wait for the driver dependencies to clear. The fixes included are: - Fix am43xx hard reset flags - Fix SoC detection for DRA722 - Fix CPU OPP table for omap5 - Fix legacy mux parser bug if requested muxname is a prefix of multiple mux entries - Fix qspi interrupt binding that relies on the irq crossbar that has not yet been enabled - Add missing phy_sel for am43x-epos-evm - Drop unused gic_init_irq() that is no longer needed And the enabling of features that had driver dependencies are: - Change dra7 to use Audio Tracking Logic clock instead of a fixed clock now that the clock driver for it has been merged - Enable off idle configuration for selected omaps as all the kernel dependencies for device tree based booting are finally merged as this is needed to get the automated PM tests working finally with device tree based booting - Add hwmod entry for ocp2scp3 for omap5 to get sata working as all the driver dependencies are now in the kernel and this patch fell through the cracks during the merge window * tag 'omap-for-v3.16/fixes-against-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: ARM: dts: dra7-evm: remove interrupt binding ARM: OMAP2+: Fix parser-bug in platform muxing code ARM: DTS: dra7/dra7xx-clocks: ATL related changes ARM: OMAP2+: drop unused function ARM: dts: am43x-epos-evm: Add Missing cpsw-phy-sel for am43x-epos-evm ARM: dts: omap5: Update CPU OPP table as per final production Manual ARM: DRA722: add detection of SoC information ARM: dts: Enable twl4030 off-idle configuration for selected omaps ARM: OMAP5: hwmod: Add ocp2scp3 and sata hwmods ARM: OMAP2+: hwmod: Change hardreset soc_ops for AM43XX
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git://neil.brown.name/md由 Linus Torvalds 提交于
Pull md bugfixes from Neil Brown: "Two minor bugfixes for md in 3.16" * tag 'md/3.16-fixes' of git://neil.brown.name/md: md: flush writes before starting a recovery. md: make sure GET_ARRAY_INFO ioctl reports correct "clean" status
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- 04 7月, 2014 20 次提交
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound由 Linus Torvalds 提交于
Pull sound fixes from Takashi Iwai: "This contains a few fixes for HD-audio: yet another Dell headset pin quirk, a fixup for Thinkpad T540P, and an improved fix for Haswell/Broadwell HDMI clock setup" * tag 'sound-3.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: hda - restore BCLK M/N value as per CDCLK for HSW/BDW display HDA controller drm/i915: provide interface for audio driver to query cdclk ALSA: hda - Add a fixup for Thinkpad T540p ALSA: hda - Add another headset pin quirk for some Dell machines
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git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs由 Linus Torvalds 提交于
Pull btrfs fixes from Chris Mason: "We've queued up a few fixes in my for-linus branch" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: Btrfs: fix crash when starting transaction Btrfs: fix btrfs_print_leaf for skinny metadata Btrfs: fix race of using total_bytes_pinned btrfs: use E2BIG instead of EIO if compression does not help btrfs: remove stale comment from btrfs_flush_all_pending_stuffs Btrfs: fix use-after-free when cloning a trailing file hole btrfs: fix null pointer dereference in btrfs_show_devname when name is null btrfs: fix null pointer dereference in clone_fs_devices when name is null btrfs: fix nossd and ssd_spread mount option regression Btrfs: fix race between balance recovery and root deletion Btrfs: atomically set inode->i_flags in btrfs_update_iflags btrfs: only unlock block in verify_parent_transid if we locked it Btrfs: assert send doesn't attempt to start transactions btrfs compression: reuse recently used workspace Btrfs: fix crash when mounting raid5 btrfs with missing disks btrfs: create sprout should rename fsid on the sysfs as well btrfs: dev replace should replace the sysfs entry btrfs: dev add should add its sysfs entry btrfs: dev delete should remove sysfs entry btrfs: rename add_device_membership to btrfs_kobj_add_device
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由 Marc Zyngier 提交于
The CurrentEL system register reports the Current Exception Level of the CPU. It doesn't say anything about the stack handling, and yet we compare it to PSR_MODE_EL2t and PSR_MODE_EL2h. It works by chance because PSR_MODE_EL2t happens to match the right bits, but that's otherwise a very bad idea. Just check for the EL value instead. Signed-off-by: NMarc Zyngier <marc.zyngier@arm.com> [catalin.marinas@arm.com: fixed arch/arm64/kernel/efi-entry.S] Signed-off-by: NCatalin Marinas <catalin.marinas@arm.com>
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由 Steve Capper 提交于
The __sync_icache_dcache routine will only flush the dcache for the first page of a compound page, potentially leading to stale icache data residing further on in a hugetlb page. This patch addresses this issue by taking into consideration the order of the page when flushing the dcache. Reported-by: NMark Brown <broonie@linaro.org> Tested-by: NMark Brown <broonie@linaro.org> Signed-off-by: NSteve Capper <steve.capper@linaro.org> Acked-by: NWill Deacon <will.deacon@arm.com> Signed-off-by: NCatalin Marinas <catalin.marinas@arm.com> Cc: <stable@vger.kernel.org> # v3.11+
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由 Steve Capper 提交于
The define ARM64_64K_PAGES is tested for rather than CONFIG_ARM64_64K_PAGES. Correct that typo here. Signed-off-by: NSteve Capper <steve.capper@linaro.org> Signed-off-by: NCatalin Marinas <catalin.marinas@arm.com>
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由 Mengdong Lin 提交于
For HSW/BDW display HD-A controller, hda_set_bclk() is defined to set BCLK by programming the M/N values as per the core display clock (CDCLK) queried from i915 display driver. And the audio driver will also set BCLK in azx_first_init() since the display driver can turn off the shared power in boot phase if only eDP is connected and M/N values will be lost and must be reprogrammed. Signed-off-by: NMengdong Lin <mengdong.lin@intel.com> Cc: <stable@vger.kernel.org> Signed-off-by: NTakashi Iwai <tiwai@suse.de>
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由 Jani Nikula 提交于
For Haswell and Broadwell, if the display power well has been disabled, the display audio controller divider values EM4 M VALUE and EM5 N VALUE will have been lost. The CDCLK frequency is required for reprogramming them to generate 24MHz HD-A link BCLK. So provide a private interface for the audio driver to query CDCLK. This is a stopgap solution until a more generic interface between audio and display drivers has been implemented. Signed-off-by: NJani Nikula <jani.nikula@intel.com> Reviewed-by: NDamien Lespiau <damien.lespiau@intel.com> Signed-off-by: NMengdong Lin <mengdong.lin@intel.com> Cc: <stable@vger.kernel.org> Signed-off-by: NTakashi Iwai <tiwai@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb由 Linus Torvalds 提交于
Pull USB bugfixes from Greg KH: "Here's a round of USB bugfixes, quirk additions, and new device ids for 3.16-rc4. Nothing major in here at all, just a bunch of tiny changes. All have been in linux-next with no reported issues" * tag 'usb-3.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (33 commits) usb: chipidea: udc: delete td from req's td list at ep_dequeue usb: Kconfig: make EHCI_MSM selectable for QCOM SOCs usb-storage/SCSI: Add broken_fua blacklist flag usb: musb: dsps: fix the base address for accessing the mode register tools: ffs-test: fix header values endianess usb: phy: msm: Do not do runtime pm if the phy is not idle usb: musb: Ensure that cppi41 timer gets armed on premature DMA TX irq usb: gadget: gr_udc: Fix check for invalid number of microframes usb: musb: Fix panic upon musb_am335x module removal usb: gadget: f_fs: resurect usb_functionfs_descs_head structure Revert "tools: ffs-test: convert to new descriptor format fixing compilation error" xhci: Fix runtime suspended xhci from blocking system suspend. xhci: clear root port wake on bits if controller isn't wake-up capable xhci: correct burst count field for isoc transfers on 1.0 xhci hosts xhci: Use correct SLOT ID when handling a reset device command MAINTAINERS: update e-mail address usb: option: add/modify Olivetti Olicard modems USB: ftdi_sio: fix null deref at port probe MAINTAINERS: drop two usb-serial subdriver entries USB: option: add device ID for SpeedUp SU9800 usb 3g modem ...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging由 Linus Torvalds 提交于
Pull staging driver bugfixes from Greg KH: "Nothing major here, just 4 small bugfixes that resolve some issues reported for the IIO (staging and non-staging) and the tidspbridge driver" * tag 'staging-3.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: staging: tidspbridge: fix an erroneous removal of parentheses iio: of_iio_channel_get_by_name() returns non-null pointers for error legs staging: iio/ad7291: fix error code in ad7291_probe() iio:adc:ad799x: Fix reading and writing of event values, apply shift
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由 Linus Torvalds 提交于
Merge tag 'driver-core-3.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull driver core fixes from Greg KH: "Well, one drivercore fix for kernfs to resolve a reported issue with sysfs files being updated from atomic contexts, and another lz4 bugfix for testing potential buffer overflows" * tag 'driver-core-3.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: lz4: add overrun checks to lz4_uncompress_unknownoutputsize() kernfs: kernfs_notify() must be useable from non-sleepable contexts
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由 Linus Torvalds 提交于
Merge tag 'trace-fixes-v3.16-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace Pull tracing fixes from Steven Rostedt: "Oleg Nesterov found and fixed a bug in the perf/ftrace/uprobes code where running: # perf probe -x /lib/libc.so.6 syscall # echo 1 >> /sys/kernel/debug/tracing/events/probe_libc/enable # perf record -e probe_libc:syscall whatever kills the uprobe. Along the way he found some other minor bugs and clean ups that he fixed up making it a total of 4 patches. Doing unrelated work, I found that the reading of the ftrace trace file disables all function tracer callbacks. This was fine when ftrace was the only user, but now that it's used by perf and kprobes, this is a bug where reading trace can disable kprobes and perf. A very unexpected side effect and should be fixed" * tag 'trace-fixes-v3.16-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: tracing: Remove ftrace_stop/start() from reading the trace file tracing/uprobes: Fix the usage of uprobe_buffer_enable() in probe_event_enable() tracing/uprobes: Kill the bogus UPROBE_HANDLER_REMOVE code in uprobe_dispatcher() uprobes: Change unregister/apply to WARN() if uprobe/consumer is gone tracing/uprobes: Revert "Support mix of ftrace and perf"
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git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild由 Linus Torvalds 提交于
Pull kbuild fix from Michal Marek: "There is one more fix for the relative paths series from -rc1: Print the path to the build directory at the start of the build, so that editors and IDEs can match the relative paths to source files" * 'rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: kbuild: Print the name of the build directory
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git://linux-nfs.org/~bfields/linux由 Linus Torvalds 提交于
Pull nfsd bugfixes from Bruce Fields: "By coincidence, two NFSv4 symlink bugs, one introduced in the 3.16 xdr encoding rewrite, the other a decoding bug that I think we've had since the start but that just doesn't trigger very often" * 'for-3.16' of git://linux-nfs.org/~bfields/linux: nfs: fix nfs4d readlink truncated packet nfsd: fix rare symlink decoding bug
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由 Tejun Heo 提交于
The 'sysret' fastpath does not correctly restore even all regular registers, much less any segment registers or reflags values. That is very much part of why it's faster than 'iret'. Normally that isn't a problem, because the normal ptrace() interface catches the process using the signal handler infrastructure, which always returns with an iret. However, some paths can get caught using ptrace_event() instead of the signal path, and for those we need to make sure that we aren't going to return to user space using 'sysret'. Otherwise the modifications that may have been done to the register set by the tracer wouldn't necessarily take effect. Fix it by forcing IRET path by setting TIF_NOTIFY_RESUME from arch_ptrace_stop_needed() which is invoked from ptrace_stop(). Signed-off-by: NTejun Heo <tj@kernel.org> Reported-by: NAndy Lutomirski <luto@amacapital.net> Acked-by: NOleg Nesterov <oleg@redhat.com> Suggested-by: NLinus Torvalds <torvalds@linux-foundation.org> Cc: stable@vger.kernel.org Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Greg Kroah-Hartman 提交于
Jan points out that I forgot to make the needed fixes to the lz4_uncompress_unknownoutputsize() function to mirror the changes done in lz4_decompress() with regards to potential pointer overflows. The only in-kernel user of this function is the zram code, which only takes data from a valid compressed buffer that it made itself, so it's not a big issue. But due to external kernel modules using this function, it's better to be safe here. Reported-by: NJan Beulich <JBeulich@suse.com> Cc: "Don A. Bailey" <donb@securitymouse.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 James Bottomley 提交于
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由 Martin K. Petersen 提交于
Commit 8846bab1 introduced a helper that can be used to query the wire transfer size for a SCSI command taking protection information into account. However, some commands do not have a 1:1 mapping between the block range they work on and the payload size (discard, write same). After the scatterlist has been set up these requests use __data_len to store the number of bytes to report completion on. This means that callers of scsi_transfer_length() would get the wrong byte count for these types of requests. To overcome this we make scsi_transfer_length() use the scatterlist length in the scsi_data_buffer as basis for the wire transfer calculation instead of __data_len. Reported-by: NChristoph Hellwig <hch@infradead.org> Debugged-by: NMike Christie <michaelc@cs.wisc.edu> Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com> Signed-off-by: NChristoph Hellwig <hch@lst.de> Reviewed-by: NSagi Grimberg <sagig@mellanox.com> Fixes: d77e6535 Cc: stable@vger.kernel.org Signed-off-by: NJames Bottomley <JBottomley@Parallels.com>
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由 Linus Torvalds 提交于
Merge fixes from Andrew Morton: "14 fixes" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: shmem: fix init_page_accessed use to stop !PageLRU bug kernel/printk/printk.c: revert "printk: enable interrupts before calling console_trylock_for_printk()" tools/testing/selftests/ipc/msgque.c: improve error handling when not running as root fs/seq_file: fallback to vmalloc allocation /proc/stat: convert to single_open_size() hwpoison: fix the handling path of the victimized page frame that belong to non-LRU mm:vmscan: update the trace-vmscan-postprocess.pl for event vmscan/mm_vmscan_lru_isolate msync: fix incorrect fstart calculation zram: revalidate disk after capacity change tools: memory-hotplug fix unexpected operator error tools: cpu-hotplug fix unexpected operator error autofs4: fix false positive compile error slub: fix off by one in number of slab tests mm: page_alloc: fix CMA area initialisation when pageblock > MAX_ORDER
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由 Hugh Dickins 提交于
Under shmem swapping load, I sometimes hit the VM_BUG_ON_PAGE(!PageLRU) in isolate_lru_pages() at mm/vmscan.c:1281! Commit 2457aec6 ("mm: non-atomically mark page accessed during page cache allocation where possible") looks like interrupted work-in-progress. mm/filemap.c's call to init_page_accessed() is fine, but not mm/shmem.c's - shmem_write_begin() is clearly wrong to use it after shmem_getpage(), when the page is always visible in radix_tree, and often already on LRU. Revert change to shmem_write_begin(), and use init_page_accessed() or mark_page_accessed() appropriately for SGP_WRITE in shmem_getpage_gfp(). SGP_WRITE also covers shmem_symlink(), which did not mark_page_accessed() before; but since many other filesystems use [__]page_symlink(), which did and does mark the page accessed, consider this as rectifying an oversight. Signed-off-by: NHugh Dickins <hughd@google.com> Acked-by: NMel Gorman <mgorman@suse.de> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Michal Hocko <mhocko@suse.cz> Cc: Dave Hansen <dave.hansen@intel.com> Cc: Prabhakar Lad <prabhakar.csengg@gmail.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Andrew Morton 提交于
kernel/printk/printk.c: revert "printk: enable interrupts before calling console_trylock_for_printk()" Revert commit 939f04be ("printk: enable interrupts before calling console_trylock_for_printk()"). Andreas reported: : None of the post 3.15 kernel boot for me. They all hang at the GRUB : screen telling me it loaded and started the kernel, but the kernel : itself stops before it prints anything (or even replaces the GRUB : background graphics). 939f04be is modest latency reduction. Revert it until we understand the reason for these failures. Reported-by: NAndreas Bombe <aeb@debian.org> Cc: Jan Kara <jack@suse.cz> Cc: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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